# weight = int(input("输入体重："))
# height = int(input("输入身高："))
# # weight,height = eval(input())
# BMI = weight / pow(height,2)
# if BMI < 18:
#     print('超轻')
# elif BMI < 25:
#     print('标准')
# elif BMI < 27:
#     print('超重')
# else:
#     print('肥胖')

#
#
# str_data = "hello world!"
# for i in range(len(str_data)-1,-1,-1):
#     print(str_data[i],end =' ')
# print("\n" + "----" * 20)

# data = {"name":"小明","num":1,"score":95}
# for item_key in data:
#     print(item_key,end= ' ')
# print(" ")



# age = 60
# for i in range(3):
#     g = int(input("输入年龄："))
#     if g == age:
#         print("猜对了")
#         break
#     elif g >= age:
#         print("猜大了")
#     else:
#         print("猜小了")
# else:
#     print("没猜到")


